Study of Naltrexone for Methamphetamine Addiction

A Pilot Trial of Naltrexone for Methamphetamine Addiction - Role of the A118G SNP

The purpose of this study is to determine whether methamphetamine-dependent individuals will use less methamphetamine when treated with naltrexone. The study will also investigate whether individuals with the mu opioid receptor gene variant A118G will use less methamphetamine than individuals without A118G.

Inclusion Criteria:

• Age between 18 and 50 years
• Patient is agreeable to conditions of study and signs consent form